13. If cos 0 has a negative value and tan 0 has a positive value, find a and b such 0< a < 0

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Q: 13. What is the correct equation to solve for x? 13 45 O a) tan (45) = x/13 O b) cos (45) = x/13 O…

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Q: 9. 6. If sin(0) = 41 and tan(0) = find sec(0). 40 %3D |

A: Trigonometry problem.....

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A: Use pythagorous theorem and half angle formula

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Q: Find cos 6 given that sin(20) = 5/13 and 0<0 <

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Q: 25+16 x² (2, Sinx 3 + Cos? x xp 2

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Q: 9 Find 0 if 0<0 < 2n and: d sin 0 = 1 h cos? 0 = i tan 0: i tan? 0 = 3

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Q: - 47T then 3 - If 0 : sin(0) = cos(0) = COS Give exact values. No decimals allowed!

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Q: 5 and 12 If tan e = < e < 2n, compute cos e and csc e. Do not use a calculator.

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Q: 1 Show that sin e 8 cos (20) + 2 cos (40).

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Q: uppose that sin(a) = 2/8 and cos(b) =1/9 define in the first quadrant, determine cos(a-b). (round to…

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A: we use the chain rule to find the derivative of the given function

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Q: Suppose that sin(a) = 4/5 and cos(b) =4/7 define in the first quadrant, determine tan(a+b). (round…

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Q: 2 /5 If cos(a) = - with π<α< compute the exact value of the following: 2 cos(2a)=| sin 2 tan 2

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Q: Suppose that sin(a) = 3/7 and cos(b) =2/8 define in the first quadrant, determine cos(a+b). (round…

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Q: 1) Using the formula: cos(x +y) = cos x cos y – sin x sin y, prove in steps 1+cos 2 x that: cos? x =

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Q: 7. Given that sin a 15 and tan 2ß where a and 2ß lie in the interval ( 3t, 2 a) cos 2a b) sin B

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Q: 5. Given 0 < 0 < 27, solve tan 0 = 0. 2 2 O 0,

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Q: /21 find the value of 5 3 - tan 0. cos 0 :15. Given that cos 0 =

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Q: Question in Image.

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A: Giventanθ=940 ifπ&lt;θ&lt;3π2sinθ=-12 if 3π2&lt;θ&lt;2π.To findsin2θ, cos2 and tanθ